body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 800px;
    margin: 30px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

h1, h2 {
    color: #333;
    text-align: center;
}

.question {
    margin-top: 20px;
    border-top: 1px solid #ddd;
    padding-top: 10px;
}

.answer {
    margin-top: 10px;
    color: #666;
}

.reply {
    margin-left: 20px;
    padding-left: 10px;
    border-left: 2px solid #ccc;
}

.input-container {
    margin-top: 20px;
}

input[type="text"] {
    width: 80%;
    padding: 6px;
    border: 1px solid #ccc;
    border-radius: 3px;
}

button {
    padding: 8px 16px;
    background-color: #007bff;
    color: #fff;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}